If the air pressure warning light comes on, you should: Question If the air pressure warning light comes on, you should: Answers Continue to drive normally. Drive with one foot on the accelerator and one foot on the brake pedal. Call the local law enforcement agency. Safely exit the roadway and stop. Explanation If the low air pressure warning signals activate, it is essential that you bring the vehicle to a safe stop while you are still able to control the brakes. This questions appears in the following tests: Illinois Class B Knowledge Test Illinois Class B Knowledge Test Massachusetts Class B Knowledge Test Massachusetts Air Brakes Nevada Air Brakes Nevada Air Brakes North Dakota Air Brakes West Virginia Air Brakes